Home / 101,620.24-140,210.60-58,612.88

Finding the Fourth Proportional to 101,620.24, 140,210.60 and 58,612.88

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Solution

The fourth proportional to 101,620.24, 140,210.60 and 58,612.88 is: 80,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,620.24 : 140,210.60 = 58,612.88 : x
  2. Step 2: Convert to fraction form
    101,620.24/140,210.60 = 58,612.88/x
  3. Step 3: Cross multiply
    101,620.24x = 140,210.60 × 58,612.88
  4. Step 4: Simplify right side
    101,620.24x = 8,218,147,129.99
  5. Step 5: Solve for x
    x = 8,218,147,129.99/101,620.24
  6. Step 6: Final answer
    x = 80,871.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.